Jesus answered and said unto him, Verily, verily, I say unto you, Except a man be born again, he cannot see the kingdom of God.
John 3:3
Being born again, not of corruptible seed, but of incorruptible, by the word of God, which lives and abides forever.
1 Peter 1:23
We know that whosoever is born of God sins not; but he that is born of God keeps himself, and that wicked one touches him not.
1 John 5:18
So that if anyone is in Christ, he is a new creation; the old things have passed away; behold, all things have become new!
2 Corinthians 5:17
Therefore, we were buried with Him through baptism into death, that as Christ was raised up from the dead by the glory of the Father, so also we should walk in newness of life.
Romans 6:4
For you have put off the old man, as regards the former behavior, having been corrupted according to the deceitful lusts, and to be renewed in the spirit of your mind, and to put on the new man, which according to God was created in righteousness and true holiness.
Ephesians 4:22-24
I have been crucified* with Christ, and I live; yet no longer I, but Christ lives in me. And the life I now live in the flesh, I live by faith toward the Son of God, the One loving me and giving Himself over on my behalf.
(Gal 2:20) (*figuratively crucified)
But God, who is rich in mercy, for his great love wherewith he loved us, even when we were dead in sins, hath made us alive together with Christ, (by grace ye are saved;) and hath raised us up together, and made us sit together in heavenly places in Christ Jesus:
(Eph 2:4-6)
And I will give them one heart, and I will put a new spirit within you; and I will take the stony heart out of their flesh, and will give them an heart of flesh: That they may walk in my statutes, and keep mine ordinances, and do them: and they shall be my people, and I will be their God.
Ezekiel 11:19-20
Create in me a clean heart, O God; and renew a steadfast spirit within me.
Psalms 51:10